Separate the syncing of extension settings and app settings into separate data

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index c71801f2fd63536e78c8bcbd47b816d5d12f55ed..d4db48aa0f1c6bc598c0d4d60347deba917c46d6 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -246,7 +246,9 @@ ExtensionService::NaClModuleInfo::~NaClModuleInfo() {
 // ExtensionService.
 
 const char* ExtensionService::kInstallDirectoryName = "Extensions";
-const char* ExtensionService::kSettingsDirectoryName = "Extension Settings";
+const char* ExtensionService::kExtensionSettingsDirectoryName =
+    "Extension Settings";
+const char* ExtensionService::kAppSettingsDirectoryName = "App Settings";
 
 // Implements IO for the ExtensionService.